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kasperskyKaspersky LabKLA11068
HistoryJul 11, 2017 - 12:00 a.m.

KLA11068 Denial of Service Vulnerability in Microsoft .NET Framework

2017-07-1100:00:00
Kaspersky Lab
threats.kaspersky.com
35

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.2 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.009 Low

EPSS

Percentile

82.7%

Detect date:

07/11/2017

Severity:

Warning

Description:

An improper handling of web requests has been found in Microsoft Common Object Runtime Library. By exploiting this vulnerability malicious users can cause a denial of service. This vulnerability can be exploited by issuing specially designed requests to the .NET web application.

Affected products:

Microsoft .NET Framework 4.6
Microsoft .NET Framework 4.6.1
Microsoft .NET Framework 4.6.2
Microsoft .NET Framework 4.7

Solution:

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Original advisories:

CVE-2017-8585

Impacts:

DoS

Related products:

Microsoft .NET Framework

CVE-IDS:

CVE-2017-85855.0Warning

Microsoft official advisories:

KB list:

4025342
4025339
4025344
4025338

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.2 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.009 Low

EPSS

Percentile

82.7%